Gordon, H. L. (1956). Casework service for children: Principles and practices. Houghton Mifflin Comp.
Lua i Stíl Chicago (17ú heag.)Gordon, Henrietta L. Casework Service for Children: Principles and Practices. Houghton Mifflin Comp, 1956.
Lua MLA (8ú heag.)Gordon, Henrietta L. Casework Service for Children: Principles and Practices. Houghton Mifflin Comp, 1956.
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